Control knob: No
Active noise reduction: Yes
Communication: true wireless
Volume control: yes
Wireless type: Bluetooth
Function: monitor headphones
Function: Used for video games
Function: for video games for mobile phones
Function: high-fidelity headset
Function: Sports
Function: Children's headset
Impedance range: up to 32Ω
Bluetooth version: 5.2
Resistance: 32Ω
With microphone: yes
Function: Sound insulation
Function: with microphone
Charging method: charging box
Operation method:
1: One-click: pause/play
2: Double click: previous song/next song
3: Long press for 2 seconds: call the voice assistant
4: Long press for 5 seconds: turn off/on
Packing list: 1*User manual
Packing list: 1*charging box (a pair of earphones)
Packing list: 1*charging cable